Four people died in a head-on crash that shut down Highway 12 for more than three hours on New Year's Eve, the California Highway Patrol said Tuesday.Two vehicles were involved in the wreck, which took place about 9:10 p.m. in San Joaquin County, just east of the Sacramento County line between Rio Vista and Lodi.Three people were inside a 2002 Hyundai and one drove a 2012 Toyota, according to officers.The Hyundai went off the roadway and landed on its roof in a ditch, police said.Officers found the Toyota straddling the eastbound and westbound lanes of Highway 12.The victims are all adults. No names have been released.A police statement did indicate three of the victims inside the Hyundai -- ages 23, 28 and 31 -- were all from Fairfield. The younger two are female victims.The Toyota driver was identified as a 42-year-old Tracy man.The cause of the crash is unclear, police said.The highway closure spanned several hours so that investigators could gather information and clear the scene.Police don't know of any witnesses to the collision.Stay with KCRA and KCRA.com for the latest information.

SACRAMENTO, Calif. (KCRA) —

Four people died in a head-on crash that shut down Highway 12 for more than three hours on New Year's Eve, the California Highway Patrol said Tuesday.

Two vehicles were involved in the wreck, which took place about 9:10 p.m. in San Joaquin County, just east of the Sacramento County line between Rio Vista and Lodi.

Three people were inside a 2002 Hyundai and one drove a 2012 Toyota, according to officers.

The Hyundai went off the roadway and landed on its roof in a ditch, police said.

Officers found the Toyota straddling the eastbound and westbound lanes of Highway 12.

The victims are all adults. No names have been released.

A police statement did indicate three of the victims inside the Hyundai -- ages 23, 28 and 31 -- were all from Fairfield. The younger two are female victims.

The Toyota driver was identified as a 42-year-old Tracy man.

The cause of the crash is unclear, police said.

The highway closure spanned several hours so that investigators could gather information and clear the scene.